Calibration bracket



FIG. 1 is a perspective view of a calibration bracket showing our newdesign;

FIG. 2 is a perspective view viewed from another angle thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of a circled part of FIG. 1 ; and,

FIG. 10 is an enlarged view of a circled part of FIG. 2 .

The broken lines in the drawings illustrate portions of the calibrationbracket which form no part of the claimed design.

CLAIM The ornamental design for a calibration bracket, as shown anddescribed.